September 2022 Cell-Type-Specific Effects of the Ovarian Cancer G-Protein Coupled Receptor (OGR1) on Proton-sensing G-protein coupled receptors are activated by acidic environments, but their role in fibrosis Here, we report that the Ovarian Cancer G-Protein Coupled Receptor1 (OGR1 or GPR68) has dual roles in We demonstrate that OGR1 protein expression is significantly reduced in lung tissue from patients with

Self-docking and cross-docking simulations of G protein-coupled receptor-ligand complexes: Impact of ligand type and receptor activation state G protein-coupled receptors (GPCR) are the largest family of cell surface receptors in vertebrates. Likewise, the relative importance of receptor activation state and ligand function differences have also Receptor conformational sampling in advance of docking or receptor conformational adjustment after docking

Previously, we identified potent positive crosstalk between insulin/IGF-1 receptors and G protein-coupled

GABAB receptors inhibit Ca2+ entry, whereas 5-HT1B receptors target SNARE complexes. We demonstrate in male and female rats that GABAB receptors receptors alter Pr, whereas 5-HT1B receptors Ca2+ In combination these pathways allow complex presynaptic integration.SIGNIFICANCE STATEMENTTwo G protein coupled receptors colocalize at presynaptic sites, to mediate presynaptic modulation by Gβγ, GABAB receptors alter Pr leaving synaptic properties unchanged, while 5-HT1B receptors fundamentally

The sixth transmembrane region of a pheromone G-protein coupled receptor, Map3, is implicated in discrimination type depends on the molecular recognition of two peptidyl mating pheromones by their corresponding G-protein coupled receptors (GPCRs). Although such pheromone/receptor systems are likely to function in both mate choice and prezygotic isolation , very few studies have focused on the stringency of pheromone receptors.

G Protein-Coupled Receptors: A Century of Research and Discovery. Allosteric modulation of G protein-coupled receptor signaling. Endogenous allosteric modulators of G protein-coupled receptors. Advancements in G protein-coupled receptor biosensors to study GPCR-G protein coupling. Mini G protein probes for active G protein-coupled receptors (GPCRs) in live cells.

August 2022 G protein-coupled receptor kinase type 2 and β-arrestin2: Key players in immune cell functions and inflammation "G protein-coupled receptor kinase type 2 (GRK2) and β-arrestin2 are representative proteins that regulate the transduction and trafficking of G protein-coupled receptor (GPCR) signaling The kinase GRK2 and the multifunctional scaffolding protein β-arrestin2 are key integrated signaling

The mouse cytomegalovirus G protein-coupled receptor homolog, M33, coordinates key features of in vivo signalling repertoire Common to all cytomegalovirus (CMV) genomes analysed to date is the presence of G protein-coupled receptors (GPCR). Constitutive G protein-coupled M33 signalling is required for these phenotypes, although the contribution IMPORTANCE G protein-coupled receptors (GPCRs) act as cell surface molecular "switches" which regulate

Role of G Protein-Coupled Receptors in Hepatic Stellate Cells and Approaches to Anti-Fibrotic Treatment G protein-coupled receptors (GPCRs) are cell surface receptors that mediate the function of a great variety

G protein-coupled receptor kinase 2 is essential to enable vasoconstrictor-mediated arterial smooth muscle production and circulation of vasoconstrictors, resulting in enhanced signalling through their cognate G protein-coupled receptors (GPCR). GPCR signalling through phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt) promotes VSMC proliferation In VSMC, G protein-coupled receptor kinase 2 (GRK2) is known to regulate numerous vasoconstrictor GPCRs

Obesity-induced changes in human islet G protein-coupled receptor expression: Implications for metabolic regulation G protein-coupled receptors (GPCRs) are a large family of cell surface receptors that are

Odorant G protein-coupled receptors as potential therapeutic targets for adult diffuse gliomas: a systematic analysis and review Odorant receptors (ORs) account for about 60% of all human G protein-coupled receptors

Genome-wide identification of 216 G protein-coupled receptor (GPCR) genes from the marine water flea Diaphanosoma celebensis G protein-coupled receptors (GPCRs) are considered to have originated from early (Daphnia magna) reveals a high level of orthological relationship of amine, neuropeptide, and opsin receptor repertoire, while purinergic and chemokine receptors were highly differentiated in humans.

Calcium (Ca2+) signaling is known to direct processes that govern chondrocyte gene expression, protein One such platform is the chemogenetic DREADD (designer receptor exclusively activated by designer drugs that long-term CNO stimulatory culture have on hM3Dq [Ca2+]i signaling dynamics, proliferation, and protein This study demonstrated Gαq-G-protein coupled receptor (GPCR)-mediated [Ca2+]i signaling involvement

October 2022 "Recently determined structures of class C G protein-coupled receptors (GPCRs) revealed this work, molecular docking screens for allosteric modulators targeting the metabotropic glutamate receptor The mGlu5 receptor is activated by the main excitatory neurotransmitter of the nervous central system , L-glutamate, and mGlu5 receptor activity can be allosterically modulated by negative or positive allosteric The mGlu5 receptor is a promising target for the treatment of psychiatric and neurodegenerative diseases

GPR183 by 7 α,25-Dihydroxycholesterol Induces Behavioral Hypersensitivity through Mitogen-Activated Protein Kinase and Nuclear Factor- κ B "Emerging evidence implicates the G-protein coupled receptor (GPCR) GPR183 harvested at the time of peak hypersensitivity implicate potential contributions of mitogen-activated protein

counting techniques enable a precise determination of the intracellular abundance and stoichiometry of proteins Consider G-protein-coupled receptors-an expansive class of transmembrane signaling proteins that participate While early evidence for the role of oligomerization in receptor signaling came from ensemble biochemical on the potential for these techniques to advance our understanding of the role of oligomerization in G-protein-coupled receptor signaling."

conformational consequences of the differential activity of cannabidiol with two endocannabinoid-activated G-protein-coupled receptors "Cannabidiol (CBD), the major non-psychoactive phytocannabinoid present in the plant Cannabis belong to the family of G-protein-coupled receptors (GPCRs). investigate the interacting determinants of CBD in two closely related endocannabinoid-activated GPCRs, the G-protein-coupled receptor 55 (GPR55) and the cannabinoid type 1 receptor (CB1).

Excited to hear Dr. Sandra Berndt talk about new structural perspectives in GPCR-mediated Src family kinase activation. Register here (FREE) https://www.ecosystem.drgpcr.com/dr-gpcr-virtual-cafe #drgpcr #gpcr #virtualcafe

The bioactive lysophospholipid sphingosine-1-phosphate (S1P) acts via five different subtypes of S1P receptors Several S1PR therapeutic drugs have been developed to treat these diseases; however, they lack receptor In this article, we describe a 2.2 Å resolution room temperature crystal structure of the human S1P5 receptor demonstrates a unique ligand-binding mode, involving an allosteric sub-pocket, which clarifies the receptor

October 2022 "Over three decades of research have provided thorough insights into G protein-coupled receptor Agonist activation of the β2-adrenoceptor (β2AR) causes its S-nitrosylation that is required for the receptor Eliminating β2AR S-nitrosylation by mutation of C265 augments β2AR protein kinase A signaling, enables β2AR nitric oxide (NO) signaling, renders mice resistant to bronchoconstriction, and protects mice from

Acquired hypocalciuric hypercalcemia (AHH) is a rare disease caused by calcium-sensing receptor (CaSR This emphasizes the importance of the Gi/o (pertussis toxin-sensitive G proteins, whose βγ subunits activate (f) the presence of CaSR autoantibodies that operated as biased allosteric modulators of CaSR, and (g) Our observations with these prominent commonalities may provide new insights into the phenotype and characteristics

2022 Comparative studies of AlphaFold, RoseTTAFold and Modeller: a case study involving the use of G-protein-coupled receptors "Neural network (NN)-based protein modeling methods have improved significantly in recent G-protein-coupled receptor (GPCR) proteins are particularly interesting since they are involved in numerous This work directly compares the performance of these novel deep learning-based protein modeling methods We collected the experimentally determined structures of 73 GPCRs from the Protein Data Bank.

October 2022 "Biased G protein-coupled receptor (GPCR) ligands, which preferentially activate G protein In contrast to Gpr3-deficient mice, G protein-biased GPR3 mice do not display elevated anxiety levels We further determined that G protein-biased signaling reduces soluble Aβ levels and leads to a decrease glial response that may limit amyloid plaque development in G protein-biased GPR3 AD mice. Collectively, these studies indicate that GPR3-mediated G protein and β-arrestin signaling produce discrete

October 2022 "The cAMP-dependent protein kinase (PKA) system represents a primary cell-signaling pathway PKA facilitates the actions of hormones, neurotransmitters and other signaling molecules that bind G-protein coupled receptors (GPCR) to modulate cAMP levels.

October 2022 "The role of different G protein-coupled receptors (GPCRs) in the cardiovascular system In the former, stimulation of Gs-coupled receptors leads to increases in contractility, whereas stimulation of Gq-coupled receptors modulates cellular survival and hypertrophic responses. associated signaling machinery are localized in these cells with an emphasis on nuclear membrane-localized receptors

October 2022 Mechanistic Understanding of the Palmitoylation of Go Protein in the Allosteric Regulation of Adhesion Receptor GPR97 "Adhesion G-protein-coupled receptors (aGPCRs)-a major family of GPCRs-play The orphan receptor GPR97, activated by glucocorticoid stress hormones, is a prototypical aGPCR. Although it has been established that the palmitoylation of the C-terminal Go protein is essential for only allosterically strengthens the internal interactions between Gαo and Gβγ, but also enhances the coupling

October 2022 "Type 2 bradykinin receptor (B2R) is an essential G protein-coupled receptor (GPCR) that

Herein, we identified GPR108, a GPCR protein described in innate immune system, is a potential therapeutic

September 2022 Isoforms of GPR35 have distinct extracellular N-termini that allosterically modify receptor-transducer coupling and mediate intracellular pathway bias "Within the intestine, the human G protein-coupled receptor proteins, ligand-induced arrestin recruitment, and receptor internalization. Our results reveal that the extended N-terminus of the long isoform limits G protein activation yet elevates receptor-β-arrestin interaction.